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Regular Bovine TB Outbreaks in the UK and Overseas - even in Areas officially declared to be TB Free



 Added by  Sally
 15 Jul 2010, 3:38 PM


Whilst the UK (and many other developed countries), strive to eradicate bovine TB, the battle is regularly lost in many areas with regular outbreaks in areas declared to be TB free. The international standard for TB freedom is reached when 99.8 per cent of domestic cattle and deer herds have been free for three years and this is similar for the EU. An impossible task with increasing globalisation and when one considers that around 85% of cattle and 82% of the human population are in areas where bovine TB is either only partially controlled or not controlled at all ('Zoonotic tuberculosis due to Mycobacterium bovis in developing countries.').
 
This s demonstrated in the following web links which reveal the number of breakdowns in different areas over the last few weeks and the current situation in other areas. We hope to add to these links on a regular basis.
 
Reports are from July 2010 onwards.
 
http://www.stuff.co.nz/business/farming/3917857/TB-control-critical-to-our-markets
 
http://www.stuff.co.nz/manawatu-standard/rural/3913215/TB-control-critical-to-our-markets
But the board still has some way to go before achieving its aim of New Zealand being considered free of bovine TB. It aims to be TB free by 2013.
 
http://www.buckeyeag.com/article.php?aid=20100708031810209
Ohio Department of Agriculture Director Robert Boggs today announces that preliminary tests performed by the department’s Animal Disease Diagnostic Laboratory revealed a positive result for bovine tuberculosis in a Paulding County dairy herd.
 
http://www.agrinews.com/most/minnesota/cattle/no/longer/need/tb/test/to/go/to/north/dakota/story-2702.html The state's animal health board voted June 23 to immediately revoke an order that required negative TB tests on cattle, bison, goats, farmed cervids and camelids. The lifted requirements apply to Minnesota's Modified Accredited Advanced zone, the majority of the state.
 
Ohio http://mobile.ohiofarmer.com/main.aspx
 
http://www.stuff.co.nz/manawatu-standard/rural/3913218/Bovine-TB-threat-remains
www.stuff.co.nz/manawatu-standard/rural/3913215/TB-control-critical-to-our-markets
In New Zealand there are still pockets of bovine TB in some areas of the southern North Island, says Terry Hynes, regional co-ordinator for the Animal Health Board. The area he covers extends from Gisborne and Taranaki, south to Wairarapa and Wellington.
 
http://www.vetsweb.com/news/bovine-tb-discovered-in-south-west-france-1399.html
On a farm in Ariège in the Southern of France, bovine tuberculosis has been detected. The 83 animals on the farm have been culled as a precaution. Twelve other farms in the area are under supervision. In France, an average of thirty cases of the disease is detected per year.
 
http://www.cattlenetwork.com/What-Does-Discovery-Of-Bovine-Tuberculosis-In-A-Herd-In-Ohio-Mean-For-Ohio-Livestock-Farmers/2010-0...
In July 2010 a dairy herd had recently been detected with bovine tuberculosis (bTB) and subsequently depopulated. There have apparently been similar outbreaks in other states.Biosecurity and the concern of introducing diseases, like tuberculosis and others characterized by 'silent'" infections, into herds and flocks is mentioned. Should additional herds be discovered in the next two years, the possibility of loss of the existing 'free" status' with respect to bTB exists. The current situation in Ohio and the USA, with respect to bTB, is interesting and gives some insight into changes that have occurred over the past 20-30 years. Herd size has tended to increase, especially in the dairy industry. Some of this expansion occurred with retention of natural additions to herds, but for many herds it also involved movement of animals from one herd to another. In some cases bTB has been traced to Mexican cattle entering the US as Holstein feeder animals and roping/rodeo steers. Unfortunately, in a few cases contact between these animals and other animals destined for breeding herds has occurred. This time frame has also seen the growth of farmed deer, elk, and bison herds, much of which was unregulated until recent years and in which some level of bTB may have persisted. The conspicuous feature of this change is the nature and amount of animal movement.
 
http://www.cattlenetwork.com/CattleNetwork-Top-Stories--Animal-Disease-Traceability--Bovine-TB--Gas-Prices--Farm-Exports/2010-09...
July 7, 2010, press release from the Ohio Department of Agriculture announced that a dairy herd had recently been detected with bovine tuberculosis and subsequently depopulated. Should additional herds be discovered in the next two years, the possibility of loss of our 'free' status with respect to bTB exists. This could have a profound impact on Ohio farmers.
 
http://www.businessweek.com/ap/financialnews/D9I36A4O1.htm
A second Emmet County farm has been classified as being infected with bovine tuberculosis in Michigan. State officials say a first herd tested positive in March. An investigation found that a breeding bull from that herd had been leased to the second Emmet County producer. Emmet County is in a zone where herds must be tested at least once every three years and sometimes more often, depending on the type of cattle sold.
 
http://www.9and10news.com/Category/Story/?id=254474&cID=1
In March 2010, the Michigan Department of Agriculture found a bovine Tuberculosis positive herd in Emmet County. It marked the second herd infected in Emmet County in 2010. That has some people worried, because two more infected herds would mean tighter regulations for local farmers.
 
http://www.stuff.co.nz/southland-times/business/farming/4124935/Farmers-get-Tb-warning A Tb-infected cow, originally from the West Coast, was discovered in the Edendale area earlier this year, sparking fears the disease could return to the province. Concerns were raised about farmers buying cattle from the West Coast, considered to be a higher risk area, and moving them to Southland.
 
http://www.9and10news.com/Category/Story/?id=254474&cID=1
In March 2010, the Michigan Department of Agriculture found a bovine Tuberculosis positive herd in Emmet County. It marked the second herd infected in Emmet County in 2010. That has some people worried, because two more infected herds would mean tighter regulations for local farmers.
 
http://www.vetsweb.com/news/bovine-tb-discovered-in-south-west-france-1399.html Bovine TB discovered in South West France 24 Aug 2010 - on a farm in Ariège in the Southern of France. 83 animals were culled as a precaution and twelve other farms in the area are under supervision. The incident dates back to April when one of the animals appeared to have vesicles, revealed during a routine inspection at the abattoir. However, it took several weeks before the authorities could definitively say it concerned bovine TB. In France, an average of thirty cases of the disease is detected per year.
 
http://www.libyanvet.com/apps/blog/entries/show/4761036-new-case-of-bovine-tb-in-south-of-france
In south west France a new case of bovine tuberculosis has been found. It is the third contaminated farm in this region.
The 500 animals on the farm will be culled, according to local veterinary services. The first case of bovine TB was in Ariège (see previous), close to the Spanish border. A few days later, a second case of the disease was found in the same area. A total of 110 cows have been culled on both farms. Around 30 farms are under quarantine now. Tests at nine suspected farms appeared to be negative.
 
 
http://www.kdvr.com/lifestyle/sns-ap-co--cowquarantine,0,7856508.story The cows were diagnosed with TB in April. Tests showed a "significant level" of infection within the 500-cow southern Colorado herd, which were all slaughtered.
 
http://www.meattradenewsdaily.co.uk/news/280910/usa___more_cases_of_bovine_tb.aspx
The Michigan Department of Agriculture says that following the discovery of bovine TB in a herd in Emmet County in March, one of teh bulls from the herd has been connected to a second farm. This makes it the second herd infected in Emmet County.
 
http://mn4h.com/beef/components/pdfs/Mgmt.%20of%20Bovine%20TB%20in%20Wildlife%20in%20Canada's%20National%20Parks%20-%20Ken%20Kingdon,%20Doug%20Bergeson,%20Tim%20Sallows.pdf Management of Bovine Tuberculosis in Canada's National Park, July 2009.
 
 

Sally
The WAG is looking to other countries (Gwlad, Bovine TB Special Edition Summer 2010) hoping to learn lessons from abroad. Should important factors be taken into account when looking at other countries, such as climate differences, how animals are kept, native breeds etc? Australian cattle are apparently now TB free - a status that took 27 years to achieve (despite there being no wildlife reservoirs in Australia) and was mainly done using very strict movement restrictions for cattle.
 
 

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